body {
    font-family: Arial, sans-serif;
    padding: 20px;
    background-color: #f4f4f4;
}

h1, h2 {
    color: #333;
}

form {
    margin-bottom: 20px;
}

input[type="text"], button {
    padding: 10px;
    margin: 5px 0;
    border: 1px solid #ddd;
    border-radius: 4px;
}

button {
    background-color: #5cb85c;
    color: white;
    cursor: pointer;
}

button:hover {
    background-color: #449d44;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
}

th, td {
    padding: 10px;
    border: 1px solid #ddd;
    text-align: left;
}

th {
    background-color: #4CAF50;
    color: white;
}

tr:nth-child(even) {
    background-color: #f2f2f2;
}

div {
    margin-bottom: 20px;
}